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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9876211 B1

PDFFull Text
Date of Patent:
Jan. 23, 2018

Filed:

Sep. 29, 2014

Separation membrane and lithium-sulfur battery comprising same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Byoungkuk Son, Daejeon, KR;

Seong Ho Lee, Daejeon, KR;

Minchul Jang, Daejeon, KR;

Hyungsam Choi, Daejeon, KR;

Joong Jin Han, Daejeon, KR;

Min Seo Kim, Daejeon, KR;

Suhwan Kim, Daejeon, KR;

Seungpyo Jeong, Daejeon, KR;

Yu Mi Kim, Daejeon, KR;

Da Young Sung, Daejeon, KR;

Youngjea Kim, Daejeon, KR;

Gi Su Park, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Carlos Barcena

Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 4/136 (2010.01); H01M 4/134 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/38 (2006.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 10/0525 (2010.01); H01M 2/14 (2006.01); H01M 10/052 (2010.01); H01M 4/58 (2010.01); H01M 4/04 (2006.01); H01M 4/1397 (2010.01); H01M 10/058 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/145 (2013.01); H01M 2/166 (2013.01); H01M 2/1646 (2013.01); H01M 2/1653 (2013.01); H01M 4/134 (2013.01); H01M 4/136 (2013.01); H01M 4/38 (2013.01); H01M 4/382 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 4/661 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 4/0404 (2013.01); H01M 4/1397 (2013.01); H01M 4/5815 (2013.01); H01M 10/058 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01);
Abstract

The present application relates to a separation membrane and a lithium-sulfur battery including the same, and the separation membrane according to the present application prevents elution of lithium polysulfide in a cathode and suppresses growth of a lithium dendrite generated in an anode, and thus has an effect that a life-span and safety of the battery are improved.

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